Vanity is often noticeable in a great leader.

Answer: Option D

Desirable : wished for as being an attractive, useful, or necessary course of action.
Admirable : arousing or deserving respect and approval.
Remarkable : worthy of attention; striking.
Visible : able to be perceived or noticed easily.
Noticeable : easily seen or noticed; clear or apparent.

Synonym of Noticeable is Visible